Look at the Ruger Model 77 MkII All-Weather...It doesn't have an especially heavy barrel but, from what I hear, is supposed to be accurate. It comes with free scope rings too, which will save some $$$. Runs between $425 and $500 depending on your firearms dealer. I think I'm gonna end up with one in .223 here soon...If I do, I'll post some targets and information.

Check out GunBroker.com ,that's where I found my Ruger 77MkII Stainless Laminated .223. It doesn't have a heavy barrel, but it's quite a shooter! It's very accurate. I got it used, but it looked brand new, and it was under $400 out the door (purchase price, shipping, & dealer /state fees).